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Table 2 Percentage of PDD dose points passing the three Γ-criteria. for varying histories at an initial beam energy of 5.40 MeV

From: Linac photon beam fine-tuning in PRIMO using the gamma-index analysis toolkit

Number of Histories (106)Average Dose Uncertainty (%)3 % /3mm (%)2 % /2mm (%)1 % /1mm (%)
250.2100.091.247.1
527.390.656.219.2
1015.575.031.811.4
259.690.354.214.6
1005.199.472.418.5